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The causes of No-Audio and One-Way-Audio VoIP Calls ...
https://blog.kolmisoft.com/the-causes-of-no-audio-and-one-way-audio-voip-calls/#:~:text=A%20no-audio%20call%20is%20when%20you%20have%20a,that%20indicates%20that%20the%20signaling%20part%20works%20OK.
SIP - No audio or one way audio :: Zoiper
https://www.zoiper.com/en/support/answer/for/android/11/SIP_-_No_audio_or_one_way_audio
SIP - No audio or one way audio ( on Android) « Back. When using SIP protocol one way or missing auido issues mostly appear due to configuration problems. The …
SIP Trunk - No audio - Cisco Community
https://community.cisco.com/t5/ip-telephony-and-phones/sip-trunk-no-audio/td-p/2967517
SIP Trunk - No audio Hi, I configured the follow , but during the call there is no audio on both sides, could you help me? version 15.1 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption! hostname Router! boot-start-marker boot-end-marker!!!
SIP no Audio - Avaya: IP Office - Tek-Tips
https://www.tek-tips.com/viewthread.cfm?qid=1777570
RE: SIP no Audio. amriddle01 (Programmer) 24 May 17 11:10. Varies depending on whose SIP trunk you use and how they configure their trunks, so there is no one size fits all list of ports. 5060 is common obviously and whatever RTP range they use, some use 5061 too, some change it completely. RE: SIP no Audio.
No audio on Asterisk SIP call - Stack Overflow
https://stackoverflow.com/questions/5554837/no-audio-on-asterisk-sip-call
No audio on Asterisk SIP call. Ask Question Asked 10 years, 10 months ago. Active 1 year, 10 months ago. Viewed 34k times 9 I almost managed to init a 2 sided call (click to call): 1st to my office and the 2nd to my cell using Michal Niklas answer (thanks Michal) on Asterisk click to call. The major ISSUE is that the 2 call participants can not ...
SIP behind firewall no audio in both ways - Cisco Community
https://community.cisco.com/t5/ip-telephony-and-phones/sip-behind-firewall-no-audio-in-both-ways/td-p/4191197
SIP behind firewall no audio in both ways. Hello Everyone im new in voip im working in new project and i have this toplogy. Cisco jabber -->Cucm-->Cube-->Firewall (sophos)--->INTERNET (SIP-Trunk) the problem was the phone ringing but there's no sound in both ways and i think the problem is NAT. the firewall is sophos.
How to troubleshoot one-way and no-way audio on VoIP …
http://info.teledynamics.com/blog/how-to-troubleshoot-one-way-and-no-way-audio-on-voip-calls
SIP ALG is a firewall setting that can either be enabled or disabled -- generally, the audio issues occur when it's enabled. (3) Incompatible Codecs When a VoIP call is initiated between two phones, they negotiate and choose a codec that is available to both devices.
No outgoing audio on SIP calls - General Help - FreePBX ...
https://community.freepbx.org/t/no-outgoing-audio-on-sip-calls/22162
There’s a SIP/2.0 401 Unauthorized near the beginning no idea why though as the phone is registered and works (albeit without audio in certain conditions) <— SIP read from UDP:192.168.0.76:50783 —>
How to resolve one-way or no-way audio on VoIP calls
http://info.teledynamics.com/blog/how-to-resolve-one-way-or-no-way-audio-on-voip-calls
SIP functions using TCP or UDP ports 5060 and 5061. So, a simple and intuitive solution would be to allow ports 5060 and 5061 to be port-forwarded internally. In the following diagram, the external voice endpoint is attempting to communicate with the internal IP phone.
The causes of No-Audio and One-Way-Audio VoIP Calls ...
https://blog.kolmisoft.com/the-causes-of-no-audio-and-one-way-audio-voip-calls/
Some SBC/Softswitches do not accept audio from an RTP port range greater than 50,000. The safe zone is 10,000–50,000. Some SBC/Softswitches ignore IP:PORT in SDP, and send media back to the IP:PORT from where the SIP message was received. Conclusion. As you can see, there are a number of possible causes of a no-audio or one-way audio problem.
How to troubleshoot common VoIP issues? | SonicWall
https://www.sonicwall.com/support/knowledge-base/how-to-troubleshoot-common-voip-issues/170503552140480/
Issue - One Way Audio or No Audio. TIP: If the Public Branch Exchange (PBX) that the SIP Server communicates with is located behind the SonicWall then SIP transformations should be disabled in most deployments. Consult with your VoIP vendor.
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